TNM Classification for Oropharyngeal and Hypopharyngeal Cancers

The American Joint Committee on Cancer (AJCC) tumor/node/metastasis (TNM) classifications for oropharyngeal and hypopharyngeal cancers are provided below, along with the prognostic groups and histologic grade. With oropharyngeal cancers, TNM classification varies depending on whether the cancer is mediated by human papillomavirus (HPV).
[1, 2]